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Description

The complexity of automotive E/E systems and requirements regarding their functional safety are increasing steadily. At the same time, work-intensive tasks like Fault Tree Anaylsis (FTA) and Failure Mode and Effects Analysis (FMEA) prescribed by safety norms like ISO 26262 are performed manually. This talk will present a semi-automatic analysis and otpimization methodology which supports a systematic reuse of artifacts and drastically reduces the effort for safety engineering. Based on known approaches like Component Fault Trees, functional and technical system models are extended by information on fault propagation allowing the automatic derivation of FTA and FMEA for the complete system. This automation opens up the design space to explore e.g. more cost-efficient architectures.